Source: Office of United States Attorneys
BOSTON – United States Attorney Leah B. Foley has announced that Katherine Ferguson has been appointed to serve as First Assistant United States Attorney for the District of Massachusetts. Ms. Ferguson, a career prosecutor, has served as an Assistant U.S. Attorney for more than a decade.
“Ms. Ferguson’s leadership, dedication, and prosecutorial excellence have earned her widespread respect within our office and beyond,” said U.S. Attorney Foley. “Her deep understanding of federal law enforcement and her commitment to upholding the rule of law make her an invaluable asset. I am confident that she will bring the same integrity and vision to her new role as First Assistant U.S. Attorney as she has throughout her career.”
Ms. Ferguson has served as Deputy Chief of the Narcotics & Money Laundering Unit for the U.S. Attorney’s Office since 2017 and Lead Task Force Attorney for the District’s Organized Crime Drug Enforcement Task Force since 2021. As Deputy Chief of the Narcotics & Money Laundering Unit, Ms. Ferguson was responsible for overseeing federal narcotics and money laundering investigations and prosecutions. As an Assistant U.S. Attorney for 15 years, she has extensive experience working collaboratively with other federal, state and local partners to dismantle multi-jurisdictional and international drug trafficking and money laundering organizations.
Prior to joining the U.S. Attorney’s Office, Ms. Ferguson served as an Assistant District Attorney for the Suffolk County District Attorney’s Office. There, she handled over 600 cases in Boston Municipal Court from arraignment to disposition and oversaw the prosecution of child abuse and narcotics offenses in Superior Court. From 2006-2007, Ms. Ferguson served as a law clerk for the Honorable Sandra L. Lynch with the First Circuit Court of Appeals.
Ms. Ferguson graduated from Princeton University, where she earned a Bachelor of Arts Degree in Economics with Highest Honors, Phi Beta Kappa. While at Princeton, Ms. Ferguson earned Certificates in Political Economy and French Language & Culture. She also received a Masters in Public Policy from the John F. Kennedy School of Government and graduated cum laude from Harvard Law School, where she was an Executive Editor for the Harvard Law Review.